directcompute Questions

1

Im making a simple raytracer for a schoolproject were a compute shader is supposed to be used to shade a triangle or some other primitive. For this I'd like to write to a backbuffer-surface direct...
Gentlewoman asked 19/12, 2017 at 8:59

1

I'm really new to DirectCompute technologies, and have been attempting to learn from the documentation on the msdn website, which is.. dense, to say the least. I'd like to make a basic hlsl file t...
Wendish asked 12/9, 2012 at 20:51

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I've just started using the Compute shader stage in DirectX 11 and encountered some unwanted behaviour when writing to an output resource in the Compute shader. I seem to get only zeroes as output ...
Penton asked 17/8, 2015 at 11:50

1

In a compute shader (with Unity) I have a raycast finding intersections with mesh triangles. At some point I would like to return how many intersections are found. I can clearly see how many inter...
Condescend asked 20/2, 2015 at 21:44

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I have a problem with array indexing on GPU in Compute Shader and I'm stuck with it for weeks. I'm trying to use the x value of SV_DispatchThreadID as the index of my particle array (as it is show...
Osteoplastic asked 22/12, 2013 at 11:11

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I've recently been playing with compute shaders and I'm trying to determine the most optimal way to setup my [numthreads(x,y,z)] and dispatch calls. My demo window is 800x600 and I am launching 1 t...
Shepard asked 24/10, 2013 at 7:53

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I'm wondering about the "grids" of threads/thread groups I can dispatch on the GPU. I'm using Direct Compute so I'll give a concrete example using that API. For example, if I call Dispatch(2,2,2), ...
Escapee asked 22/9, 2012 at 0:33

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I'm looking for comparisons between OpenCL and DirectCompute, but I haven't found anything. OpenCL's advantages of being cross-platform and having a wider range of supported GPUs don't matter to me...
Kenyakenyatta asked 3/7, 2010 at 17:16

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I have some (financial) tasks which should map well to GPU computing, but I'm not really sure if I should go with OpenCL or DirectCompute. I did some GPU computing, but it was a long time ago (3 ye...
Glabrous asked 26/5, 2010 at 17:34

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I understand that C++ AMP is accelerated by GPUs that support DirectX 11. However, my question is, if the compiled C++ AMP program is run on a machine without a DirectX 11 compatible GPU, what happ...
Normi asked 2/12, 2011 at 19:56

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So far the only tutorials I've been able to find are on directx11tutorials.com, which are essentially inferred from the existing samples. Does anyone know where to find other tutorials, or be...
Rosa asked 17/6, 2010 at 15:17
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